16. The purpose of the charity drive for Grace Orphanage is to       

　　A. encourage children through reading

　　B. teach children to draw pictures

　　C. introduce some local performers

　　D. raise money for children aged 5 to 12

　　17. According to the text， we can      in the charity drive

　　A. play yo-yo with the volunteers

　　B. give away used books to kids

　　C. watch performances on Saturday

　　D. enjoy children＇s TV programs

　　18. The text might be        

　　A. a news report    B. a meeting notice

　　C. an advertisement    D. a science story